Home / 284,378,720.23-426,584,023.49-79,890,852.43

Finding the Fourth Proportional to 284,378,720.23, 426,584,023.49 and 79,890,852.43

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Solution

The fourth proportional to 284,378,720.23, 426,584,023.49 and 79,890,852.43 is: 119,840,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,378,720.23 : 426,584,023.49 = 79,890,852.43 : x
  2. Step 2: Convert to fraction form
    284,378,720.23/426,584,023.49 = 79,890,852.43/x
  3. Step 3: Cross multiply
    284,378,720.23x = 426,584,023.49 × 79,890,852.43
  4. Step 4: Simplify right side
    284,378,720.23x = 34,080,161,269,635,248
  5. Step 5: Solve for x
    x = 34,080,161,269,635,248/284,378,720.23
  6. Step 6: Final answer
    x = 119,840,757.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.